Mfs Corporate Bond Fund Class B (MFBBX) Fund Details & Analysis

Fund Information

Fund Category Corporate Bond

Fund Family MFS

Fund Style Large

ISIN US55272P3073

CUSIP 55272P307

Inception Date 1974-05-08

Domicile United States

Country USA

Fiscal Year End April

NAV Chart

Fund Metrics

Net Assets $4.53 Billion

Share Class Net Assets $500.00K

Expense Ratio 1.51%

Expense Ratio Date 2025-08-28

Dividend Yield 0.04%

Morning Star Rating -

Morning Star Risk Rating -

Morning Star Category -

Performance

YTD Return 0.36%

1-Year Return 6.18%

3-Year Return 4.19%

5-Year Return -0.69%

NAV $12.54

Previous Close Price $12.54

Last Update 2025-12-31

Dividend Information

Dividend Yield 0.04%

Dividend (ttm) 0.17

Dividend Growth -58.12%

Payout Frequency Annual

Ex-Dividend Date n/a

Ratings

Morning Star Rating -

Morning Star Risk Rating -

Morning Star Category -

Beta (5Y) 1.23

About MFS Corporate Bond Fund Class B

The adviser normally invests at least 80% of the fund's net assets in corporate debt instruments. It may also invest the fund's assets in U.S. government securities. MFS invests the majority of the fund's assets in investment grade quality debt instruments, but may also invest in below investment grade quality debt instruments.

Detailed Metrics

Market Cap Distribution

AverageMarketCap %

Giant %

Large %

Medium %

Micro %

Small %

Value & Growth Metrics

Book-Value Growth % %

Cash-Flow Growth % %

Dividend Yield % %

Historical Earnings % %

Long-Term Earnings % %

Asset Allocation

Type	Net %	Long %	Short %	Category Average	benchmark
Bond	103.18%	103.56%	0.38%	100.73%	100.00%
Cash	-4.07%	2.56%	6.63%	1.85%	0.00%
Non US Stock	0.00%	0.00%	0.00%	0.00%	0.00%
Not Classified	0.88%	0.88%	0.00%	0.84%	0.00%
Other	0.00%	0.00%	0.00%	0.04%	0.00%
US Stock	0.00%	0.00%	0.00%	0.34%	0.00%

Top Holdings

Name	Weight	Owned	Change
MFS Institutional Money Market Portfolio, Class A	1.87%	-	-
U.S. Treasury Bonds	0.86%	-	-
Boeing Co. (The)	0.72%	-	-
UBS Group AG	0.74%	-	-
JPMorgan Chase Co.	0.56%	-	-
CBRE Services, Inc.	0.63%	-	-
AIB Group plc	0.57%	-	-
Bank of America Corp.	0.55%	-	-
Bermuda Government Bond	0.57%	-	-
Carlyle Group, Inc. (The)	0.58%	-	-
Sumitomo Mitsui Financial Group, Inc.	0.55%	-	-
Northwestern Mutual Life Insurance Co. (The)	0.54%	-	-

See the full breakdown of MFBBX fund's asset allocation and top holdings .

Sector Weights

Category	Subcategory	Amount %	Category Avg	Stocks %	Benchmark
Bond Sector	Cash and Equivalents	0.00%	1.75%	2.39%	0.00%
Bond Sector	Corporate	0.00%	84.43%	84.57%	99.89%
Bond Sector	Derivative	0.00%	1.35%	0.00%	0.00%
Bond Sector	Government	0.00%	8.43%	9.60%	0.11%
Bond Sector	Municipal	0.00%	0.46%	0.53%	0.00%
Bond Sector	Securitized	0.00%	3.57%	2.90%	0.00%
Cyclical	Basic Materials	0.00%	0.00%	0.00%	0.00%
Cyclical	Consumer Cyclical	0.00%	0.00%	0.00%	0.00%
Cyclical	Financial Services	0.00%	0.00%	0.00%	0.00%
Cyclical	Real Estate	0.00%	0.00%	0.00%	0.00%
Defensive	Consumer Defensive	0.00%	0.00%	0.00%	0.00%
Defensive	Healthcare	0.00%	0.00%	0.00%	0.00%
Defensive	Utilities	0.00%	0.00%	0.00%	0.00%
Sensitive	Communication Services	0.00%	0.00%	0.00%	0.00%
Sensitive	Energy	0.00%	0.00%	0.00%	0.00%
Sensitive	Industrials	0.00%	0.00%	0.00%	0.00%
Sensitive	Technology	0.00%	0.00%	0.00%	0.00%

World Regions

Region	Subregion	Category Average	Stocks Percent	Benchmark
Americas	Latin America	-	-	-
Americas	North America	-	-	-
Greater Asia	Asia Developed	-	-	-
Greater Asia	Asia Emerging	-	-	-
Greater Asia	Australasia	-	-	-
Greater Asia	Japan	-	-	-
Greater Europe	Africa/Middle East	-	-	-
Greater Europe	Europe Developed	-	-	-
Greater Europe	Europe Emerging	-	-	-
Greater Europe	United Kingdom	-	-	-

Dividend History

Date	Amount	Unadjusted Amount	Currency	Declaration Date	Record Date	Payment Date	Period
2024-12-31	$0.038	$0.038	USD	-	-	-	-
2024-11-29	$0.038	$0.038	USD	-	-	-	-
2024-10-31	$0.038	$0.038	USD	-	2024-10-31	2024-11-01	Monthly
2024-09-30	$0.038	$0.038	USD	-	2024-09-30	2024-10-01	Monthly
2024-08-30	$0.038	$0.038	USD	-	2024-08-30	2024-09-03	Monthly
2024-07-31	$0.038	$0.038	USD	-	2024-07-31	2024-08-01	Monthly
2024-06-28	$0.038	$0.038	USD	-	2024-06-28	2024-07-01	Monthly
2024-05-31	$0.038	$0.038	USD	-	2024-05-31	2024-06-03	Monthly
2024-04-30	$0.038	$0.038	USD	-	2024-04-30	2024-05-01	Monthly
2024-03-28	$0.037	$0.037	USD	-	2024-03-28	2024-04-01	Monthly
2024-03-01	$0.037	$0.037	USD	-	2024-02-29	2024-03-01	Monthly
2024-02-01	$0.036	$0.036	USD	-	2024-01-30	2024-02-01	Monthly
2023-12-28	$0.036	$0.036	USD	-	2023-12-28	2023-12-29	Monthly
2023-11-30	$0.036	$0.036	USD	-	2023-11-30	2023-12-01	Monthly
2023-10-31	$0.035	$0.035	USD	-	2023-10-31	2023-11-01	Monthly
2023-09-29	$0.034	$0.034	USD	-	2023-09-29	2023-10-02	Monthly
2023-08-31	$0.033	$0.033	USD	-	2023-08-31	2023-09-01	Monthly
2023-07-31	$0.031	$0.031	USD	-	2023-07-31	2023-08-01	Monthly
2023-06-30	$0.031	$0.031	USD	-	2023-06-30	2023-07-03	Monthly
2023-05-31	$0.031	$0.031	USD	-	2023-05-31	2023-06-01	Monthly
2023-04-28	$0.031	$0.031	USD	-	2023-04-28	2023-05-01	Monthly
2023-03-31	$0.030	$0.030	USD	-	2023-03-31	2023-04-03	Monthly
2023-02-28	$0.028	$0.028	USD	-	2023-02-28	2023-03-01	Monthly
2023-01-31	$0.028	$0.028	USD	-	2023-01-31	2023-02-01	Monthly
2022-12-30	$0.028	$0.028	USD	-	2022-12-30	2022-12-30	Monthly
2022-11-30	$0.027	$0.027	USD	-	2022-11-30	2022-12-01	Monthly
2022-10-31	$0.025	$0.025	USD	-	2022-10-31	2022-11-01	Monthly
2022-09-30	$0.025	$0.025	USD	-	2022-09-30	2022-10-03	Monthly
2022-08-31	$0.025	$0.025	USD	-	2022-08-31	2022-09-01	Monthly
2022-07-29	$0.024	$0.024	USD	-	2022-07-29	2022-08-01	Monthly
2022-06-30	$0.024	$0.024	USD	-	2022-06-30	2022-07-01	Monthly
2022-05-31	$0.023	$0.023	USD	-	2022-05-31	2022-06-01	Monthly
2022-04-29	$0.022	$0.022	USD	-	2022-04-29	2022-05-02	Monthly
2022-03-31	$0.020	$0.020	USD	-	2022-03-31	2022-04-01	Monthly
2022-02-28	$0.020	$0.020	USD	-	2022-02-28	2022-03-01	Monthly
2022-01-31	$0.019	$0.019	USD	-	2022-01-31	2022-02-01	Monthly
2021-12-31	$0.019	$0.019	USD	-	2021-12-31	2021-12-31	Monthly
2021-11-30	$0.020	$0.020	USD	-	2021-11-30	2021-12-01	Monthly
2021-10-29	$0.021	$0.021	USD	-	2021-10-29	2021-11-01	Monthly
2021-09-30	$0.022	$0.022	USD	-	2021-09-30	2021-10-01	Monthly
2021-08-31	$0.022	$0.022	USD	-	2021-08-31	2021-09-01	Monthly
2021-07-30	$0.022	$0.022	USD	-	2021-07-30	2021-08-02	Monthly
2021-06-30	$0.023	$0.023	USD	2021-07-01	2021-06-30	2021-07-01	Monthly
2021-05-28	$0.022	$0.022	USD	2021-06-01	2021-05-28	2021-06-01	Monthly
2021-04-30	$0.022	$0.022	USD	-	2021-04-30	2021-05-03	Monthly
2021-03-31	$0.021	$0.021	USD	-	2021-03-31	2021-04-01	Monthly
2021-02-26	$0.021	$0.021	USD	-	2021-02-26	2021-03-01	Monthly
2021-01-29	$0.021	$0.021	USD	-	2021-01-29	2021-02-01	Monthly
2020-12-31	$0.021	$0.021	USD	-	2020-12-31	2020-12-31	Monthly
2020-11-30	$0.021	$0.021	USD	-	2020-11-30	2020-12-01	Monthly
2020-10-30	$0.022	$0.022	USD	-	2020-10-30	2020-11-02	Monthly
2020-09-30	$0.023	$0.023	USD	-	2020-09-30	2020-10-01	Monthly
2020-08-31	$0.024	$0.024	USD	-	2020-08-31	2020-09-01	Monthly
2020-07-31	$0.025	$0.025	USD	-	2020-07-31	2020-08-03	Monthly
2020-06-30	$0.025	$0.025	USD	-	2020-06-30	2020-07-01	Monthly
2020-05-29	$0.025	$0.025	USD	-	2020-05-29	2020-06-01	Monthly
2020-04-30	$0.026	$0.026	USD	-	2020-04-30	2020-05-01	Monthly
2020-03-31	$0.025	$0.025	USD	-	2020-03-31	2020-04-01	Monthly
2020-02-28	$0.025	$0.025	USD	-	2020-02-28	2020-03-02	Monthly
2020-01-31	$0.025	$0.025	USD	-	2020-01-31	2020-02-03	Monthly
2019-12-31	$0.025	$0.025	USD	-	2019-12-31	2019-12-31	Monthly
2019-11-29	$0.026	$0.026	USD	-	2019-11-29	2019-12-02	Monthly
2019-10-31	$0.027	$0.027	USD	-	2019-10-31	2019-11-01	Monthly
2019-09-30	$0.028	$0.028	USD	-	2019-09-30	2019-10-01	Monthly
2019-08-30	$0.029	$0.029	USD	-	2019-08-30	2019-09-03	Monthly
2019-07-31	$0.029	$0.029	USD	-	2019-07-31	2019-08-01	Monthly
2019-06-28	$0.029	$0.029	USD	-	2019-06-28	2019-07-01	Monthly
2019-05-31	$0.029	$0.029	USD	2019-06-03	2019-05-31	2019-06-03	Monthly
2019-04-30	$0.029	$0.029	USD	2019-05-01	2019-04-30	2019-05-01	Monthly
2019-03-29	$0.029	$0.029	USD	2019-04-01	2019-03-29	2019-04-01	Monthly
2019-02-28	$0.029	$0.029	USD	2019-03-01	2019-02-28	2019-03-01	Monthly
2019-01-31	$0.029	$0.029	USD	2019-02-01	2019-01-31	2019-02-01	Monthly
2018-12-31	$0.030	$0.030	USD	2019-01-02	2018-12-31	2018-12-31	Monthly
2018-11-30	$0.028	$0.028	USD	2018-12-04	2018-11-30	2018-12-03	Monthly
2018-10-31	$0.027	$0.027	USD	2018-11-02	2018-10-31	2018-11-01	Monthly
2018-09-28	$0.027	$0.027	USD	-	-	-	-
2018-08-31	$0.027	$0.027	USD	2018-09-01	2018-08-31	2018-09-04	Monthly
2018-07-31	$0.027	$0.027	USD	2018-08-01	2018-07-31	2018-08-01	Monthly
2018-06-29	$0.027	$0.027	USD	2018-07-02	2018-06-29	2018-07-02	Monthly
2018-05-31	$0.025	$0.025	USD	2018-06-01	2018-05-31	2018-06-01	Monthly
2018-04-30	$0.025	$0.025	USD	2018-05-01	2018-04-30	2018-05-01	Monthly
2018-03-29	$0.024	$0.024	USD	2018-03-30	2018-03-29	2018-04-02	Monthly
2018-02-28	$0.025	$0.025	USD	2018-03-02	2018-02-28	2018-03-01	Monthly
2018-01-31	$0.025	$0.025	USD	2018-02-02	2018-01-31	2018-02-01	Monthly
2017-12-29	$0.025	$0.025	USD	2018-01-03	2017-12-29	2017-12-29	Monthly
2017-11-30	$0.026	$0.026	USD	2017-12-01	2017-11-30	2017-12-01	Monthly
2017-10-31	$0.026	$0.026	USD	2017-11-02	2017-10-31	2017-11-01	Monthly
2017-09-29	$0.028	$0.028	USD	2017-10-03	2017-09-29	2017-10-02	Monthly
2017-08-31	$0.028	$0.028	USD	2017-09-01	2017-08-31	2017-09-01	Monthly
2017-07-31	$0.028	$0.028	USD	2017-09-21	2017-07-31	2017-08-01	Monthly
2017-06-30	$0.027	$0.027	USD	-	-	-	-
2017-05-31	$0.027	$0.027	USD	-	-	-	-
2017-04-28	$0.027	$0.027	USD	-	-	-	-
2017-03-31	$0.028	$0.028	USD	-	-	-	-
2017-02-28	$0.029	$0.029	USD	-	-	-	-
2017-01-31	$0.029	$0.029	USD	-	-	-	-
2016-12-30	$0.029	$0.029	USD	-	-	-	-
2016-11-30	$0.029	$0.029	USD	-	-	-	-
2016-10-31	$0.029	$0.029	USD	-	-	-	-
2016-09-30	$0.028	$0.028	USD	-	-	-	-
2016-08-31	$0.028	$0.028	USD	-	-	-	-
2016-07-29	$0.028	$0.028	USD	-	-	-	-
2016-06-30	$0.028	$0.028	USD	-	-	-	-
2016-05-31	$0.028	$0.028	USD	-	-	-	-
2016-04-29	$0.028	$0.028	USD	-	-	-	-
2016-03-31	$0.029	$0.029	USD	-	-	-	-
2016-02-29	$0.030	$0.030	USD	-	-	-	-
2016-01-29	$0.030	$0.030	USD	-	-	-	-
2015-12-31	$0.029	$0.029	USD	-	-	-	-
2015-12-11	$0.036	$0.036	USD	2015-12-10	2015-12-10	2015-12-10	Other
2015-11-30	$0.030	$0.030	USD	-	-	-	-
2015-10-30	$0.030	$0.030	USD	-	-	-	-
2015-09-30	$0.031	$0.031	USD	-	-	-	-
2015-08-31	$0.031	$0.031	USD	-	-	-	-
2015-07-31	$0.031	$0.031	USD	-	-	-	-
2015-06-30	$0.031	$0.031	USD	-	-	-	-
2015-05-29	$0.031	$0.031	USD	-	-	-	-
2015-04-30	$0.032	$0.032	USD	-	-	-	-
2015-03-31	$0.032	$0.032	USD	-	-	-	-
2015-02-27	$0.034	$0.034	USD	-	-	-	-
2015-01-30	$0.034	$0.034	USD	-	-	-	-
2014-12-31	$0.034	$0.034	USD	-	-	-	-
2014-11-28	$0.034	$0.034	USD	-	-	-	-
2014-10-31	$0.032	$0.032	USD	-	-	-	-
2014-09-30	$0.032	$0.032	USD	-	-	-	-
2014-08-29	$0.032	$0.032	USD	-	-	-	-
2014-07-31	$0.032	$0.032	USD	-	-	-	-
2014-06-30	$0.033	$0.033	USD	-	-	-	-
2014-05-30	$0.033	$0.033	USD	-	-	-	-
2014-04-30	$0.034	$0.034	USD	-	-	-	-
2014-03-31	$0.034	$0.034	USD	-	-	-	-
2014-02-28	$0.034	$0.034	USD	-	-	-	-
2014-01-31	$0.032	$0.032	USD	-	-	-	-
2013-12-31	$0.031	$0.031	USD	-	-	-	-
2013-12-02	$0.036	$0.036	USD	2013-11-29	2013-11-29	2013-12-02	Other
2013-11-29	$0.030	$0.030	USD	-	-	-	-
2013-10-31	$0.030	$0.030	USD	-	-	-	-
2013-09-30	$0.030	$0.030	USD	-	-	-	-
2013-08-30	$0.029	$0.029	USD	-	-	-	-
2013-07-31	$0.029	$0.029	USD	-	-	-	-
2013-06-28	$0.029	$0.029	USD	-	-	-	-
2013-05-31	$0.029	$0.029	USD	-	-	-	-
2013-04-30	$0.030	$0.030	USD	-	-	-	-
2013-03-28	$0.030	$0.030	USD	-	-	-	-
2013-02-28	$0.032	$0.032	USD	-	-	-	-
2013-01-31	$0.034	$0.034	USD	-	-	-	-
2012-12-31	$0.034	$0.034	USD	-	-	-	-
2012-11-30	$0.035	$0.035	USD	-	-	-	-
2012-10-31	$0.038	$0.038	USD	-	-	-	-
2012-09-28	$0.039	$0.039	USD	-	-	-	-
2012-08-31	$0.039	$0.039	USD	-	-	-	-
2012-07-31	$0.041	$0.041	USD	-	-	-	-
2012-06-29	$0.043	$0.043	USD	-	-	-	-
2012-05-31	$0.043	$0.043	USD	-	-	-	-
2012-04-30	$0.043	$0.043	USD	-	-	-	-
2012-03-30	$0.043	$0.043	USD	-	-	-	-
2012-02-29	$0.044	$0.044	USD	-	-	-	-
2012-01-31	$0.047	$0.047	USD	-	-	-	-
2011-12-30	$0.049	$0.049	USD	-	-	-	-
2011-11-30	$0.049	$0.049	USD	-	-	-	-
2011-10-31	$0.051	$0.051	USD	-	-	-	-
2011-09-30	$0.051	$0.051	USD	-	-	-	-
2011-08-31	$0.052	$0.052	USD	-	-	-	-
2011-07-29	$0.053	$0.053	USD	-	-	-	-
2011-06-30	$0.053	$0.053	USD	-	-	-	-
2011-05-31	$0.053	$0.053	USD	-	-	-	-
2011-04-29	$0.053	$0.053	USD	-	-	-	-
2011-03-31	$0.054	$0.054	USD	-	-	-	-
2011-02-28	$0.054	$0.054	USD	-	-	-	-
2011-01-31	$0.054	$0.054	USD	-	-	-	-
2010-12-31	$0.053	$0.053	USD	-	-	-	-
2010-11-30	$0.053	$0.053	USD	-	-	-	-
2010-10-29	$0.053	$0.053	USD	-	-	-	-
2010-09-30	$0.054	$0.054	USD	-	-	-	-
2010-08-31	$0.054	$0.054	USD	-	-	-	-
2010-07-30	$0.054	$0.054	USD	-	-	-	-
2010-06-30	$0.054	$0.054	USD	-	-	-	-
2010-05-28	$0.054	$0.054	USD	-	-	-	-
2010-03-31	$0.054	$0.054	USD	-	-	-	-
2010-02-26	$0.053	$0.053	USD	-	-	-	-
2010-01-29	$0.052	$0.052	USD	-	-	-	-
2009-12-31	$0.052	$0.052	USD	-	-	-	-
2009-11-30	$0.052	$0.052	USD	-	-	-	-
2009-10-30	$0.051	$0.051	USD	-	-	-	-
2009-09-30	$0.051	$0.051	USD	-	-	-	-
2009-08-31	$0.052	$0.052	USD	-	-	-	-
2009-07-31	$0.052	$0.052	USD	-	-	-	-
2009-06-30	$0.051	$0.051	USD	-	-	-	-
2009-05-29	$0.050	$0.050	USD	-	-	-	-
2009-04-30	$0.045	$0.045	USD	-	-	-	-
2009-03-31	$0.045	$0.045	USD	-	-	-	-
2009-02-27	$0.046	$0.046	USD	-	-	-	-
2009-01-30	$0.048	$0.048	USD	-	-	-	-
2008-12-31	$0.048	$0.048	USD	-	-	-	-
2008-11-28	$0.048	$0.048	USD	-	-	-	-
2008-10-31	$0.049	$0.049	USD	-	-	-	-
2008-09-30	$0.049	$0.049	USD	-	-	-	-
2008-08-29	$0.049	$0.049	USD	-	-	-	-
2008-07-31	$0.049	$0.049	USD	-	-	-	-
2008-06-30	$0.049	$0.049	USD	-	-	-	-
2008-05-30	$0.049	$0.049	USD	-	-	-	-
2008-04-30	$0.049	$0.049	USD	-	-	-	-
2008-03-31	$0.049	$0.049	USD	-	-	-	-
2008-02-29	$0.049	$0.049	USD	-	-	-	-
2008-01-31	$0.049	$0.049	USD	-	-	-	-
2007-12-31	$0.049	$0.049	USD	-	-	-	-
2007-11-30	$0.049	$0.049	USD	-	-	-	-
2007-10-31	$0.052	$0.052	USD	-	-	-	-
2007-09-28	$0.052	$0.052	USD	-	-	-	-
2007-08-31	$0.051	$0.051	USD	-	-	-	-
2007-07-31	$0.051	$0.051	USD	-	-	-	-
2007-06-29	$0.048	$0.048	USD	-	-	-	-
2007-05-31	$0.049	$0.049	USD	-	-	-	-
2007-04-30	$0.048	$0.048	USD	-	-	-	-
2007-03-30	$0.049	$0.049	USD	-	-	-	-
2007-02-28	$0.049	$0.049	USD	-	-	-	-
2007-01-31	$0.048	$0.048	USD	-	-	-	-
2006-12-29	$0.049	$0.049	USD	-	-	-	-
2006-11-30	$0.049	$0.049	USD	-	-	-	-
2006-10-31	$0.049	$0.049	USD	-	-	-	-
2006-09-29	$0.049	$0.049	USD	-	-	-	-
2006-08-31	$0.049	$0.049	USD	-	-	-	-
2006-07-31	$0.049	$0.049	USD	-	-	-	-
2006-06-30	$0.049	$0.049	USD	-	-	-	-
2006-05-31	$0.049	$0.049	USD	-	-	-	-
2006-04-28	$0.049	$0.049	USD	-	-	-	-
2006-03-31	$0.049	$0.049	USD	-	-	-	-
2006-02-28	$0.048	$0.048	USD	-	-	-	-
2006-01-31	$0.049	$0.049	USD	-	-	-	-
2005-12-30	$0.049	$0.049	USD	-	-	-	-
2005-11-30	$0.049	$0.049	USD	-	-	-	-
2005-10-31	$0.048	$0.048	USD	-	-	-	-
2005-09-30	$0.048	$0.048	USD	-	-	-	-
2005-08-31	$0.049	$0.049	USD	-	-	-	-
2005-07-29	$0.049	$0.049	USD	-	-	-	-
2005-06-30	$0.049	$0.049	USD	-	-	-	-
2005-05-31	$0.050	$0.050	USD	-	-	-	-
2005-04-29	$0.050	$0.050	USD	-	-	-	-
2005-03-31	$0.051	$0.051	USD	-	-	-	-
2005-02-28	$0.052	$0.052	USD	-	-	-	-
2005-01-31	$0.052	$0.052	USD	-	-	-	-
2004-12-31	$0.052	$0.052	USD	-	-	-	-
2004-11-30	$0.051	$0.051	USD	-	-	-	-
2004-11-02	$0.052	$0.052	USD	-	2004-11-01	2004-11-01	Monthly
2004-09-30	$0.052	$0.052	USD	-	2004-10-01	2004-10-01	Monthly
2004-09-02	$0.052	$0.052	USD	-	2004-09-01	2004-09-01	Monthly
2004-08-03	$0.052	$0.052	USD	-	2004-08-02	2004-08-02	Monthly
2004-07-02	$0.052	$0.052	USD	-	2004-07-01	2004-07-01	Monthly
2004-06-02	$0.051	$0.051	USD	-	2004-06-01	2004-06-01	Monthly
2004-05-04	$0.050	$0.050	USD	-	2004-05-03	2004-05-03	Monthly
2004-04-02	$0.050	$0.050	USD	-	2004-04-01	2004-04-01	Monthly
2004-03-02	$0.051	$0.051	USD	-	2004-03-01	2004-03-01	Monthly
2004-02-03	$0.051	$0.051	USD	-	2004-02-02	2004-02-02	Monthly
2004-01-02	$0.051	$0.051	USD	-	2003-12-31	2003-12-31	Monthly
2003-12-02	$0.051	$0.051	USD	-	2003-12-01	2003-12-01	Monthly
2003-11-04	$0.051	$0.051	USD	-	2003-11-03	2003-11-03	Monthly
2003-10-02	$0.051	$0.051	USD	-	2003-10-01	2003-10-01	Monthly
2003-09-03	$0.051	$0.051	USD	-	2003-09-02	2003-09-02	Monthly
2003-08-04	$0.051	$0.051	USD	-	2003-08-01	2003-08-01	Monthly
2003-07-02	$0.052	$0.052	USD	-	2003-07-01	2003-07-01	Monthly
2003-06-03	$0.053	$0.053	USD	-	2003-06-02	2003-06-02	Monthly
2003-05-02	$0.053	$0.053	USD	-	2003-05-01	2003-05-01	Monthly
2003-04-02	$0.053	$0.053	USD	-	2003-04-01	2003-04-01	Monthly
2003-03-04	$0.053	$0.053	USD	-	2003-03-03	2003-03-03	Monthly
2003-02-28	$0.061	$0.061	USD	-	-	-	-
2003-02-04	$0.054	$0.054	USD	-	2003-02-03	2003-02-03	Monthly
2003-01-31	$0.062	$0.062	USD	-	-	-	-
2003-01-01	$0.056	$0.056	USD	-	2002-12-31	2002-12-31	Monthly
2002-12-03	$0.056	$0.056	USD	-	2002-12-02	2002-12-02	Monthly
2002-11-02	$0.057	$0.057	USD	-	2002-11-01	2002-11-01	Monthly
2002-10-02	$0.058	$0.058	USD	-	2002-10-01	2002-10-01	Monthly
2002-09-04	$0.058	$0.058	USD	-	2002-09-03	2002-09-03	Monthly
2002-08-02	$0.058	$0.058	USD	-	2002-08-01	2002-08-01	Monthly
2002-07-02	$0.058	$0.058	USD	-	2002-07-01	2002-07-01	Monthly
2002-06-04	$0.058	$0.058	USD	-	2002-06-03	2002-06-03	Monthly
2002-05-02	$0.057	$0.057	USD	-	2002-05-01	2002-05-01	Monthly
2002-04-02	$0.057	$0.057	USD	-	2002-04-01	2002-04-01	Monthly
2002-03-02	$0.056	$0.056	USD	-	2002-03-01	2002-03-01	Monthly
2002-02-02	$0.055	$0.055	USD	-	2002-02-01	2002-02-01	Monthly
2002-01-01	$0.055	$0.055	USD	-	2001-12-31	2001-12-31	Monthly
2001-12-04	$0.055	$0.055	USD	-	2001-12-03	2001-12-03	Monthly
2001-11-02	$0.057	$0.057	USD	-	2001-11-01	2001-11-01	Monthly
2001-10-02	$0.059	$0.059	USD	-	2001-10-01	2001-10-01	Monthly
2001-09-04	$0.059	$0.059	USD	-	2001-08-31	2001-08-31	Monthly
2001-08-03	$0.059	$0.059	USD	-	2001-08-02	2001-08-02	Monthly
2001-07-05	$0.060	$0.060	USD	-	2001-07-03	2001-07-03	Monthly
2001-06-05	$0.061	$0.061	USD	-	2001-06-04	2001-06-04	Monthly
2001-05-03	$0.061	$0.061	USD	-	2001-05-02	2001-05-02	Monthly
2001-04-04	$0.062	$0.062	USD	-	2001-04-03	2001-04-03	Monthly
2001-03-05	$0.064	$0.064	USD	-	2001-03-02	2001-03-02	Monthly
2001-02-05	$0.065	$0.065	USD	-	2001-02-02	2001-02-02	Monthly
2001-01-04	$0.066	$0.066	USD	-	2001-01-03	2001-01-03	Monthly
2000-12-05	$0.066	$0.066	USD	-	2000-12-04	2000-12-04	Monthly
2000-11-03	$0.066	$0.066	USD	-	2000-11-02	2000-11-02	Monthly
2000-10-04	$0.066	$0.066	USD	-	2000-10-03	2000-10-03	Monthly
2000-09-06	$0.066	$0.066	USD	-	2000-09-05	2000-09-05	Monthly
2000-08-03	$0.065	$0.065	USD	-	2000-08-02	2000-08-02	Monthly
2000-07-06	$0.065	$0.065	USD	-	2000-07-05	2000-07-05	Monthly
2000-06-05	$0.065	$0.065	USD	-	2000-06-02	2000-06-02	Monthly
2000-05-03	$0.065	$0.065	USD	-	2000-05-02	2000-05-02	Monthly
2000-04-05	$0.065	$0.065	USD	-	2000-04-04	2000-04-04	Monthly
2000-03-03	$0.065	$0.065	USD	-	2000-03-02	2000-03-02	Monthly
2000-02-03	$0.065	$0.065	USD	-	2000-02-02	2000-02-02	Monthly
2000-01-05	$0.065	$0.065	USD	-	2000-01-04	2000-01-04	Monthly
1999-12-03	$0.065	$0.065	USD	-	1999-12-02	1999-12-02	Monthly
1999-11-03	$0.064	$0.064	USD	-	1999-11-02	1999-11-02	Monthly
1999-10-05	$0.064	$0.064	USD	-	1999-10-04	1999-10-04	Monthly
1999-09-03	$0.064	$0.064	USD	-	1999-09-02	1999-09-02	Monthly
1999-08-04	$0.064	$0.064	USD	-	1999-08-03	1999-08-03	Monthly
1999-07-06	$0.064	$0.064	USD	-	1999-07-02	1999-07-02	Monthly
1999-06-03	$0.063	$0.063	USD	-	1999-06-02	1999-06-09	Monthly
1999-05-05	$0.064	$0.064	USD	-	1999-05-04	1999-05-11	Monthly
1999-04-06	$0.063	$0.063	USD	-	1999-04-05	1999-04-12	Monthly
1999-03-03	$0.064	$0.064	USD	-	1999-03-02	1999-03-09	Monthly
1999-02-03	$0.064	$0.064	USD	-	1999-02-02	1999-02-10	Monthly
1999-01-06	$0.063	$0.063	USD	-	1999-01-05	1999-01-12	Monthly
1998-12-03	$0.105	$0.105	USD	-	1998-12-02	1998-12-09	Other
1998-12-02	$0.064	$0.064	USD	-	-	-	-
1998-11-04	$0.064	$0.064	USD	-	1998-11-03	1998-11-10	Monthly
1998-10-02	$0.065	$0.065	USD	-	1998-10-02	1998-10-09	Monthly
1998-09-03	$0.065	$0.065	USD	-	1998-09-02	1998-09-10	Monthly
1998-08-05	$0.065	$0.065	USD	-	1998-08-04	1998-08-11	Monthly
1998-07-06	$0.065	$0.065	USD	-	1998-07-02	1998-07-10	Monthly
1998-06-03	$0.066	$0.066	USD	-	1998-06-02	1998-06-09	Monthly
1998-05-05	$0.065	$0.065	USD	-	1998-05-04	1998-05-11	Monthly
1998-04-03	$0.064	$0.064	USD	-	1998-04-02	1998-04-09	Monthly
1998-03-04	$0.065	$0.065	USD	-	1998-03-03	1998-03-10	Monthly
1998-02-04	$0.062	$0.062	USD	-	1998-02-03	1998-02-10	Monthly
1998-01-05	$0.067	$0.067	USD	-	1998-01-05	1998-01-12	Monthly
1997-12-03	$0.067	$0.067	USD	-	1997-12-02	1997-12-09	Monthly
1997-11-05	$0.066	$0.066	USD	-	1997-11-04	1997-11-12	Monthly
1997-09-30	$0.070	$0.070	USD	-	1997-10-02	1997-10-09	Monthly
1997-08-29	$0.070	$0.070	USD	-	1997-09-03	1997-09-10	Monthly
1997-07-31	$0.069	$0.069	USD	-	1997-08-04	1997-08-11	Monthly
1997-06-30	$0.069	$0.069	USD	-	1997-07-02	1997-07-10	Monthly
1997-06-03	$0.069	$0.069	USD	-	-	-	-
1997-05-02	$0.066	$0.066	USD	-	-	-	-
1997-04-03	$0.068	$0.068	USD	-	1997-04-02	1997-04-09	Monthly
1997-03-04	$0.069	$0.069	USD	-	1997-03-04	1997-03-11	Monthly
1997-02-05	$0.068	$0.068	USD	-	1997-02-04	1997-02-11	Monthly
1997-01-06	$0.067	$0.067	USD	-	1997-01-03	1997-01-10	Monthly
1996-12-04	$0.067	$0.067	USD	-	1996-12-03	1996-12-10	Monthly
1996-11-05	$0.066	$0.066	USD	-	1996-11-04	1996-11-12	Monthly
1996-10-03	$0.068	$0.068	USD	-	1996-10-02	1996-10-09	Monthly
1996-09-05	$0.069	$0.069	USD	-	1996-09-04	1996-09-11	Monthly
1996-08-05	$0.069	$0.069	USD	-	1996-08-02	1996-08-09	Monthly
1996-07-03	$0.071	$0.071	USD	-	1996-07-02	1996-07-10	Monthly
1996-06-05	$0.068	$0.068	USD	-	1996-06-04	1996-06-11	Monthly
1996-05-03	$0.071	$0.071	USD	-	1996-05-02	1996-05-09	Monthly
1996-04-03	$0.075	$0.075	USD	-	1996-04-02	1996-04-09	Monthly
1996-04-02	$0.066	$0.066	USD	-	-	-	-
1996-03-05	$0.071	$0.071	USD	-	1996-03-04	1996-03-01	Monthly
1996-02-03	$0.071	$0.071	USD	-	1996-02-02	1996-02-09	Monthly
1996-01-04	$0.077	$0.077	USD	-	1996-01-03	1996-01-06	Monthly
1996-01-03	$0.071	$0.071	USD	-	-	-	-
1995-12-05	$0.075	$0.075	USD	-	1995-12-04	1995-12-11	Monthly
1995-11-03	$0.074	$0.074	USD	-	1995-11-02	1995-11-09	Monthly
1995-10-04	$0.075	$0.075	USD	-	1995-10-03	1995-10-10	Monthly
1995-09-05	$0.074	$0.074	USD	-	-	-	-
1995-08-03	$0.075	$0.075	USD	-	1995-08-02	1995-09-09	Monthly
1995-08-02	$0.067	$0.067	USD	-	-	-	-
1995-07-07	$0.075	$0.075	USD	-	1995-07-05	1995-07-10	Monthly
1995-06-05	$0.071	$0.071	USD	-	1995-06-02	1995-06-09	Monthly
1995-05-03	$0.072	$0.072	USD	-	1995-05-02	1995-05-09	Monthly
1995-05-02	$0.044	$0.044	USD	-	-	-	-
1995-04-05	$0.072	$0.072	USD	-	1995-04-04	1995-04-10	Monthly
1995-04-04	$0.059	$0.059	USD	-	-	-	-
1995-03-03	$0.073	$0.073	USD	-	1995-03-02	1995-03-09	Monthly
1995-02-03	$0.072	$0.072	USD	-	1995-02-02	1995-02-09	Monthly
1995-01-05	$0.072	$0.072	USD	-	1995-01-04	1995-01-10	Monthly
1995-01-04	$0.067	$0.067	USD	-	-	-	-
1994-12-05	$0.072	$0.072	USD	-	1994-12-02	1994-12-12	Monthly
1994-12-02	$0.005	$0.005	USD	-	-	-	-
1994-11-03	$0.072	$0.072	USD	-	1994-11-02	1994-11-10	Monthly
1994-11-02	$0.005	$0.005	USD	-	-	-	-
1994-10-05	$0.072	$0.072	USD	-	1994-10-04	1994-10-11	Monthly
1994-10-04	$0.005	$0.005	USD	-	-	-	-
1994-09-06	$0.071	$0.071	USD	-	1994-09-02	1994-09-12	Monthly
1994-09-02	$0.005	$0.005	USD	-	-	-	-
1994-08-03	$0.072	$0.072	USD	-	1994-08-02	1994-08-10	Monthly
1994-07-06	$0.073	$0.073	USD	-	1994-07-05	1994-07-11	Monthly
1994-06-03	$0.074	$0.074	USD	-	1994-06-02	1994-06-10	Monthly
1994-05-04	$0.077	$0.077	USD	-	1994-05-03	1994-05-10	Monthly
1994-04-05	$0.076	$0.076	USD	-	1994-04-04	1994-04-11	Monthly

MFS Corporate Bond Fund Class B NMFQS:MFBBX